GMO labeling is a big issue, but it's not the only hard choice that regulatory agencies face. Food companies can also lobby for terms like "all natural" and other seemingly health-related statements to go on labels, but their scientific value isn't clear.

GMO labeling is a big issue, but it's not the only hard choice that regulatory agencies face. Food companies can also lobby for terms like "all natural" and other seemingly health-related statements to go on labels, but their scientific value isn't clear.